package com.xiaoankang.mapper;



import com.xiaoankang.domain.Student;

import java.util.List;

public interface StudentMapper {
    //查询所有学生
   List<Student> selectAll();

   //根据id查询
   Student findById(Integer id);

   //增加数据
    int insert(Student student);

    //删除
    int deleteById(Integer id);
    //修改
    int updateIdInt(Student student);
}
